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5.02 Key Terms
Term | Definition |
---|---|
Application programs | Programs that people use to get their work done. |
Central Processing Unit ( CPU) | A particular computer will have a particular type of processor. |
Computer system | Consists of hardware ( physical parts of the computer) and software( programs and data used with the physical computer.) |
Embedded system | a computer system that is part of a larger machine and which controls how that machine operates. |
Input devices | Keyboards, mouse, scanners, cameras, joysticks and microphones; a piece of equipment used to provide data and control signals to an information processing system. |
Main Memory | Closely connected to the processor, stored data are quickly and easily changed, holds the programs and data that the processor is actively working with . |
Motherboard | Components are connected to the main circuit board of the computer. |
Network | Consists of two or more computers connected so that they can exchange data and programs. |
Operating system | Responsible for starting up application programs, running them, and managing the resources that they need. |
Output device | Monitor, printer, speakers; any piece of computer hardware equipment which converts information into human readable form. |
Processor | Contains billions of transistors; responsible for the fundamental computing within the system, and directly or indirectly controls all other components. |
RAM( Random Access Memory) | "Random" means that the memory cells can be accessed in any order . The type of silicon chip used to implement main memory. |
ROM( Read Only Memory) | Used to make a section of main memory read-only. |
Secondary Memory | Connected to main memory, stored data are easily changed, but changes are slow compared to main memory, and used for long-term storage of programs and data. |